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https://issues.apache.org/jira/browse/CASSANDRA-10145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15668620#comment-15668620
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Sandeep Tamhankar commented on CASSANDRA-10145:
-----------------------------------------------

Also, for PREPARE messages, in my scheme you'd have a 1-byte primary flags byte 
only. So you save 3 bytes vs. the new int approach. I presume that you'd like 
the PREPARE message flags field to have the same size as the flags field in 
QUERY and BATCH messages. Please correct that misconception if I'm wrong.

> Change protocol to allow sending key space independent of query string
> ----------------------------------------------------------------------
>
>                 Key: CASSANDRA-10145
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10145
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Vishy Kasar
>            Assignee: Sandeep Tamhankar
>             Fix For: 3.x
>
>         Attachments: 10145-trunk.txt
>
>
> Currently keyspace is either embedded in the query string or set through "use 
> keyspace" on a connection by client driver. 
> There are practical use cases where client user has query and keyspace 
> independently. In order for that scenario to work, they will have to create 
> one client session per keyspace or have to resort to some string replace 
> hackery.
> It will be nice if protocol allowed sending keyspace separately from the 
> query. 



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